clk: ux500: Provide device enumeration number suffix for SMSC911x

First Ethernet device has a ".0" appended onto the device name. It
appears that we need this in order to obtain the correct clock.

Without this fix Ethernet does not function on Ux500 devices, which is a
regression.

Cc: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
[mturquette@linaro.org: improved changelog]
diff --git a/drivers/clk/ux500/u8500_clk.c b/drivers/clk/ux500/u8500_clk.c
index 0b4f35a..80069c3 100644
--- a/drivers/clk/ux500/u8500_clk.c
+++ b/drivers/clk/ux500/u8500_clk.c
@@ -325,7 +325,7 @@
 	clk = clk_reg_prcc_pclk("p3_pclk0", "per3clk", clkrst3_base,
 				BIT(0), 0);
 	clk_register_clkdev(clk, "fsmc", NULL);
-	clk_register_clkdev(clk, NULL, "smsc911x");
+	clk_register_clkdev(clk, NULL, "smsc911x.0");
 
 	clk = clk_reg_prcc_pclk("p3_pclk1", "per3clk", clkrst3_base,
 				BIT(1), 0);